Wikids - An encyclopedia that talks to your kids
OurPact - Parental Control for apps and devices
DragonBox Numbers - Teach kids about numbers with an easy and fun game
Qustodio - Free parental control software. Monitor and track your child's online activity. Block dangerous sites and protect kids from online bullying.
Four Seconds - A timer and a simple rule: stop it at exactly four seconds.
Kidslox - Set boundaries for your kids